wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon/array-strings.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <path d="M4,28h4v2h-4c-1.1046,0-2-.8954-2-2v-4h2v4ZM11,13v8h-5c-1.1046,0-2-.8954-2-2v-2c0-1.1046.8954-2,2-2h3v-2h-4v-2h4c1.1025,0,2,.897,2,2ZM9,17h-3v2h3v-2ZM4,4h4v-2h-4c-1.1046,0-2,.8954-2,2v4h2v-4ZM28,2h-4v2h4v4h2v-4c0-1.1046-.8954-2-2-2ZM28,28h-4v2h4c1.1046,0,2-.8954,2-2v-4h-2v4ZM28,21v-2h-4v-6h4v-2h-4c-1.1025,0-2,.897-2,2v6c0,1.1025.8975,2,2,2h4ZM20,13v6c0,1.1025-.8975,2-2,2h-5v-13h2v3h3c1.1025,0,2,.897,2,2ZM18,13h-3v6h3v-6Z"/> <rect id="_x3C_Transparent_Rectangle_x3E_" class="cls-1" width="32" height="32"/>
+</svg>